Thermal-balanced integral model for pyrolysis and ignition of wood

Dekui Shen, Rui Xiao, Mengxiang Fang, Wan Ki Chow

Research output: Journal article publicationJournal articleAcademic researchpeer-review

12 Citations (Scopus)


The pyrolysis and ignition of wood is of great importance to understand the initial stage of combustion, helping control the occurrence and spread of unwanted building and forestry fires. The development of a thermal-balanced model is introduced for examining the analytical relationship between the ignition time and external heat flux. The critical heat flux, one of the important fire-retardant characteristics of combustible solid, is determined from a correlation study between the ignition time and external heat flux. One of the thermal-balanced integral models, considering the effect of surface heat losses, average absorptivity and moisture content, is employed to give the prediction of surface temperature rise, ignition time and ignition temperature of the Aspen. The results show that the model readily and satisfactorily predicts ignition temperature and ignition time of wood with different moisture contents.
Original languageEnglish
Pages (from-to)228-234
Number of pages7
JournalKorean Journal of Chemical Engineering
Issue number1
Publication statusPublished - 1 Jan 2013


  • Critical Heat Flux
  • Ignition
  • Moisture Content
  • Thermal-balanced Integral Model

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)


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